import { FileTree } from '@principal-ai/repository-abstraction';
import { ImplementationFileLayer, PackageLayer } from '../types/layer-types';
/**
 * Module for identifying implementation files (source files with executable logic)
 * per package, excluding tests, configs, and type declarations
 */
export declare class ImplementationFileLayerModule {
    /**
     * Create implementation file layers from package layers and file tree
     * @param packageLayers - Array of PackageLayer objects
     * @param fileTree - FileTree with all files
     * @returns Array of ImplementationFileLayer objects (one per package)
     */
    createImplementationFileLayers(packageLayers: PackageLayer[], fileTree: FileTree): ImplementationFileLayer[];
    /**
     * Get implementation files for a specific package
     */
    private getImplementationFilesForPackage;
    /**
     * Check if a file should be excluded from implementation files
     */
    private shouldExcludeFile;
    /**
     * Check if filename matches test file patterns
     */
    private isTestFile;
    /**
     * Check if file is in a test directory
     */
    private isInTestDirectory;
    /**
     * Check if filename is a type declaration file
     */
    private isTypeDeclaration;
    /**
     * Check if filename is a config file
     */
    private isConfigFile;
    /**
     * Check if filename is a build/tooling file
     */
    private isBuildToolingFile;
    /**
     * Check if file is in a script/tooling directory
     */
    private isInScriptDirectory;
    /**
     * Check if a file has an implementation file extension
     */
    private isImplementationFileExtension;
    /**
     * Get file extension statistics
     */
    private getFilesByExtension;
    /**
     * Create glob patterns for implementation files
     */
    private createPatternsForImplementationFiles;
    /**
     * Get color for package layer
     */
    private getColorForPackage;
}
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